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* windows: Add a sleep function acting as cancellation pointMartin Willi2014-06-041-0/+9
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* windows: Provide a sched_yield() implementationMartin Willi2014-06-042-0/+10
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* windows: Provide a time_monotonic() based on GetTickCount64()Martin Willi2014-06-041-0/+21
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* chunk: Don't depend on pthread directlyMartin Willi2014-06-042-13/+13
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* utils: Don't directly depend on pthreadMartin Willi2014-06-041-40/+53
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* strerror: Don't directly depend on pthreadMartin Willi2014-06-043-36/+98
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* windows: Provide a strdup variant safe when passing zero-length stringsMartin Willi2014-06-041-0/+15
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* stream: Separate TCP/Unix stream helpers from stream/service implementationsMartin Willi2014-06-041-0/+6
| | | | | | This allows us to disable Unix sockets cleanly on Windows. Replaces some read/write calls with recv/send counterparts, as Winsock does not like read/writes.
* windows: Map WSAGetLastError() to errno failures in wrapped send/recv/from/toMartin Willi2014-06-041-12/+80
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* windows: Add send/recv and sendto/recvfrom wrappers supporting MSG_DONTWAITMartin Willi2014-06-042-0/+135
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* windows: Implement socketpair() using TCP socketsMartin Willi2014-06-042-0/+69
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* windows: Add utils_init/deinit functions to initialize Winsock2Martin Willi2014-06-044-0/+75
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* windows: Provide a setenv() wrapperMartin Willi2014-06-041-0/+12
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* windows: Fix up PRI* printf formatters when building against own backendMartin Willi2014-06-041-0/+71
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* windows: Use localtime/gmtime to implement _r variantsMartin Willi2014-06-041-26/+18
| | | | The _s variants and friends do not seem to work on Windows 7 and always fail.
* utils: Printf() defined time output should gmtime/localtime_r() failMartin Willi2014-06-041-10/+13
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* backtrace: Inline esc() helper, making it available to all build variantsMartin Willi2014-06-041-12/+12
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* backtrace: Support backtraces on Windows without DbgHelpMartin Willi2014-06-041-27/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | While DbgHelp provides a convenient API to create backtraces, any executable linking against DbgHelp gets a more than a significant slow down. Further, it can only lookup global symbols, as it expects PDB files we can't produce with a MinGW build. With some core Kernel32.dll functionality, we can capture stack traces much faster. Together with the optional libbfd, we can print very fine backtraces. When --enable-bfd-backtraces is used on Windows, a libbfd.dll is required for the build. Such a DLL can be created from the binutils sources using: # build binutils with mingw... # extract archive members from binutils libraries x86_64-w64-mingw32-ar x $BINUTILS/bfd/.libs/libbfd.a x86_64-w64-mingw32-ar x $BINUTILS/intl/libintl.a x86_64-w64-mingw32-ar x $BINUTILS/libiberty/libiberty.a # create self-contained libbfd.a, with index x86_64-w64-mingw32-ar qs libbfd.a *.o # create DLL from static library x86_64-w64-mingw32-dlltool -e libbfd.o -l libbfd.lib libbfd.a x86_64-w64-mingw32-gcc -shared libbfd.a libbfd.o -o libbfd.dll
* backtrace: Add DbgHelp based Windows support for creating/printing backtracesMartin Willi2014-06-041-12/+195
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* printf-hook-builtin: Support Windows console colors using TTY escape codesMartin Willi2014-06-042-1/+128
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* capabilities: Add build support for WindowsMartin Willi2014-06-041-3/+37
| | | | We might extend it in the future using some Windows rights management.
* windows: Use _getmaxstdio as replacement for syscall(_SC_OPEN_MAX)Martin Willi2014-06-031-0/+4
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* windows: replace mkdir() with Windows _mkdir() variantMartin Willi2014-06-031-0/+4
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* windows: Provide wrappers for dlopen() function familyMartin Willi2014-06-031-0/+81
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* windows: Add a common Windows header for platform specific wrappersMartin Willi2014-06-035-11/+170
| | | | | Include some more basic system headers in utils.h, so we can use that common header on the different platforms.
* enum: Return boolean result for enum_from_name() lookupMartin Willi2014-05-162-5/+27
| | | | | | | | | | | Handling the result for enum_from_name() is difficult, as checking for negative return values requires a cast if the enum type is unsigned. The new signature clearly differentiates lookup result from lookup value. Further, this actually allows to convert real -1 enum values, which could not be distinguished from "not-found" and the -1 return value. This also fixes several clang warnings where enums are unsigned.
* enum: Don't directly include enum.hMartin Willi2014-05-163-4/+5
| | | | | To allow enum.h to depend on utils.h definitions, avoid its direct inclusion. Instead include utils.h, which includes enum.h as well.
* parser-helper: Define debug macros depending on DEBUG_LEVELTobias Brunner2014-05-151-3/+20
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* parser-helper: Make parser_helper_file_t privateTobias Brunner2014-05-152-55/+37
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* parser-helper: Make parser_helper_log a functionTobias Brunner2014-05-152-9/+28
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* settings: Reduce log verbosity if files can't be openedTobias Brunner2014-05-151-1/+1
| | | | Basically reintroducing 2a38b4556e9fd8102bd6c6c61f2893599a5e8e51.
* parser-helper: Add utility class for flex/bison based parsersTobias Brunner2014-05-152-0/+403
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* settings: Move to a separate folderTobias Brunner2014-05-152-1868/+0
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* utils: Provide a CALLBACK macro, similar to METHOD, but for void* callbacksMartin Willi2014-05-071-0/+13
| | | | | | Using the same mechanism as the METHOD macro, the CALLBACK macro defines a hybrid function signature. It strictly uses a weak void* for the first function parameter, in contrast to the dynamic METHOD object "this" type.
* utils: Enable __atomic* built-ins based on the GCC versionTobias Brunner2014-05-041-0/+7
| | | | | | | | | | | This solves a problem with GNAT when compiling charon-tkm as __atomic* built-ins are only provided in GCC 4.7 and newer. Currently GNAT 4.6 and GCC 4.7.2 is shipped with Debian wheezy (stable), as used in the testing environment. So while the configure script correctly detected the __atomic* built-ins, and defined HAVE_GCC_ATOMIC_OPERATIONS, this define turned out to be incorrect when charon-tkm was later built with GNAT.
* utils: Use GCC's __atomic built-ins if availableTobias Brunner2014-04-242-3/+22
| | | | | | | | These are available since GCC 4.7 and will eventually replace the __sync operations. They support the memory model defined by C++11. For instance, by using __ATOMIC_RELAXED for some operations on the reference counters we can avoid memory barriers, which are required by __sync operations (whose memory model essentially is __ATOMIC_SEQ_CST).
* utils: Add ref_cur() to retrieve the current value of a reference counterTobias Brunner2014-04-242-3/+24
| | | | | | | | | | On many architectures it is safe to read the value directly (those using cache coherency protocols, and with atomic loads for 32-bit values) but it is not if that's not the case or if we ever decide to make refcount_t 64-bit (load not atomic on x86). So make sure the operation is actually atomic and that users do not have to care about the size of refcount_t.
* leak-detective: LEAK_DETECTIVE_DISABLE completely disables LDTobias Brunner2014-04-032-15/+18
| | | | | If lib->leak_detective is non-null some code parts (e.g. the plugin loader) assume LD is actually used.
* unit-tests: Always load address of testable functionsTobias Brunner2014-03-311-1/+1
| | | | | | | The addresses can actually change as plugins are loaded/unloaded for each test case. Fixes #551.
* settings: Reduce log verbosity if strongswan.conf does not existTobias Brunner2014-03-311-1/+10
| | | | | In some situations we expect strongswan.conf to not exist, for instance, when running the unit tests before installation.
* unit-tests: Implement registered functions without __builtin_apply()Tobias Brunner2014-03-201-17/+17
| | | | | This makes the tests work with clang, which does not implement said builtin.
* unit-tests: Prefix imported testable functions with TEST_Tobias Brunner2014-03-201-3/+3
| | | | This avoids any clashes with existing functions in the monolithic build.
* unit-tests: Change how hashtable for testable functions is createdTobias Brunner2014-03-202-19/+36
| | | | | | | | Because GCC does not adhere to the priorities defined for constructors when building with --enable-monolithic (not sure if it was just luck that it worked in non-monolithic mode - anyway, it's not very portable) function registration would fail because the hashtable would not be created yet.
* settings: Log all errors on level 1Tobias Brunner2014-03-041-4/+3
| | | | Closes #539.
* settings: Avoid conf file parsing beyond allocated bufferThomas Egerer2014-03-031-2/+2
| | | | | | | | | | | | | | | A valgrind analysis of libstrongswan revealed an invalid read of 1 in the function starts_with(). A more thorough analysis proved this to be true and showed that with a specially crafted config file (e.g. a single '#'-character not followed by a newline), the parser might even interpret the random memory contents following the allocated buffer as part of the configuration file. The way the parser is designed, it must be able to skip an inserted '\0' and continue parsing. Since it is not able to skip two '\0' characters, the 'fix' of allocating two more bytes than the size of the parsed file and setting them to '\0' seems to be a safe bet. Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
* utils: Add memrchr(3) replacement for platforms that don't support itTobias Brunner2014-02-262-1/+37
| | | | For instance, on Mac OS X memrchr(3) is not provided by the C library.
* settings: Use thread-safe dirname(3)Tobias Brunner2014-02-241-5/+3
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* utils: Add thread-safe variants of dirname(3) and basename(3)Tobias Brunner2014-02-242-4/+88
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* utils: Move thread-safe strerror replacement to a separate fileTobias Brunner2014-02-245-96/+139
| | | | | For some utils _GNU_SOURCE might be needed but that conflicts with the signature of strerror_r(3).
* settings: Use dirname(3) correctlyTobias Brunner2014-02-241-4/+4
| | | | | | | | dirname(3) may return a pointer to a statically allocated buffer. So freeing the returned value can result to undefined behavior. This was noticed on FreeBSD where it caused very strange crashes. It is also not thread-safe, which will be addressed later.
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